20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack soil nutruient eliminating hot spots

eliminating hot spots

Weight (lbs): 1

Made from high quality Stainless Steel we introduce the Bucket-15

as developed by ASHRAE (the American Society of Heating

20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack soil nutruient eliminating hot spotsImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x20x4 filter